var $current, $next, $slides = $(".slideshow .slide");
function doSlideShow () {
$current = $slides.filter(".slide.current");
$next = $current.next(".slide");
if ($next.length < 1) {
$next = $slides.first();
}
$slides.removeClass("previous");
$current.addClass("previous").removeClass("current");
$next.addClass("current");
window.setTimeout(doSlideShow, 5000);
}
window.setTimeout(doSlideShow, 5000);